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PHP updates - April 2025 (Cedar)

Change effective on 11 April 2025

The following new PHP runtime versions are now available:

The following PHP extensions have been added or updated:

ext-grpc 1.71.0 (for heroku-22 and heroku-24 stacks and PHP 8.1 or later)
ext-imagick 3.8.0
ext-mongodb 1.21.0 (compatible with PHP 8.1 or later)
ext-mongodb 2.0.0 (compatible with PHP 8.1 or later)
ext-newrelic 11.7.0.21
ext-phalcon 5.9.2
ext-redis 6.2.0

The following new Composer versions are now available for use during builds:

Composer 2.8.8

These changes apply to the Cedar generation and not to the Fir generation of the Heroku platform.

Ruby version 3.4.3 is now available Heroku-20, Heroku-22 and Heroku-24 stacks updated